Bump arviz from 0.17.1 to 0.18.0 (#192)

Bumps [arviz](https://github.com/arviz-devs/arviz) from 0.17.1 to 0.18.0.
- [Release notes](https://github.com/arviz-devs/arviz/releases)
- [Changelog](https://github.com/arviz-devs/arviz/blob/main/CHANGELOG.md)
- [Commits](arviz-devs/arviz@v0.17.1...v0.18.0)

---
updated-dependencies:
- dependency-name: arviz
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,6 +1,6 @@
 alphalens-reloaded==0.4.3
 arch==6.3.0
-arviz==0.17.1
+arviz==0.18.0
 bambi==0.13.0
 bcolz-zipline @ git+https://github.com/stefan-jansen/bcolz-zipline.git@main
 black==24.3.0